Pet toilet

Abstract

A driving device of a pet toilet is configured to drive a litter scoop to move in a litter box to separate a litter clump from the litter box, and the driving device includes a driving force arm and a driving source component. A first end of the driving force arm is rotatably connected to the litter scoop, and an opposite second end of the driving force arm is rotatably connected to the driving source component. The first end of the driving force arm is rotatable around the driving source component to move the opposite second end between two opposite ends of the litter box, thereby driving the litter scoop through the driving force arm to separate the litter clump from the litter box. The driving source component is further configured to drive the litter scoop to be lifted and move the lifted litter scoop out of the litter box.

What is claimed is: 
     
       1. A pet toilet, comprising:
 a litter box, configured to hold a pet litter; and 
 a litter scoop driving device, located in the litter box, and configured to drive a litter scoop to move in the litter box to separate a litter clump from the litter box; 
 wherein the litter scoop driving device comprises a housing, a driving force arm, the litter scoop, a guide rail, and a motor unit; a first end of the driving force arm is rotatably connected to the litter scoop, and an opposite second end of the driving force arm is rotatably connected to the housing; and the guide rail is directly or indirectly provided on the litter box; and 
 the motor unit comprises a first motor, a second motor, and a third motor; the first motor is located on the housing; an output end of the first motor is connected to the driving force arm to drive the driving force arm to rotate relative to the housing; the second motor is located on the housing; an output end of the second motor is connected to the guide rail; the second motor is configured to drive the litter scoop driving device to move in a length direction of the guide rail, thereby driving the litter scoop to move between a first end and an opposite second end of the litter box; the third motor is located on the driving force arm; an output end of the third motor is connected to the litter scoop to drive the litter scoop to rotate relative to the driving force arm; under an action of the first motor, the litter scoop is lifted; under an action of the second motor, the litter scoop moves from the first end of the litter box to the opposite second end of the litter box; and under an action of the third motor, the litter scoop dumps the litter clump. 
 
     
     
       2. The pet toilet according to  claim 1 , wherein the second motor is connected to the guide rail through a gear, a rubber wheel or a screw, such that the litter scoop is movable from the first end of the litter box to the opposite second end of the litter box. 
     
     
       3. The pet toilet according to  claim 1 , wherein at least one end of the guide rail in the length direction is provided with a notch; the housing is configured to detach from the guide rail through the notch; and when the housing detaches from the guide rail through the notch, the litter scoop driving device detaches from the guide rail. 
     
     
       4. The pet toilet according to  claim 1 , wherein the housing is provided with a mounting slot for mounting the first motor; the mounting slot is communicated with an exterior of the housing; the first motor is located in the mounting slot; the driving force arm is fitted onto the first motor; and an end of the driving force arm is fitted onto the first motor and is rotatable within the mounting slot; and
 the litter scoop driving device further comprises an adapter; the output end of the first motor is fixed to a first end of the adapter in a circumferential direction; the driving force arm is provided with a plurality of fixing holes facing the first motor and arranged in a circumferential direction; and a second end of the adapter is inserted into a fixing hole of the plurality of fixing holes of the driving force arm for fixation. 
 
     
     
       5. The pet toilet according to  claim 1 , wherein the litter scoop driving device further comprises a sleeve; the sleeve is fitted onto the output end of the third motor; the sleeve and the output end of the third motor are fixed in a circumferential direction; and the sleeve is fixedly connected to the litter scoop. 
     
     
       6. The pet toilet according to  claim 1 , wherein the pet toilet comprises a cover plate; each of two opposite sides of the cover plate is provided with a mounting shaft; each of two sides of the litter box is provided with a connection notch and a mounting hole; the connection notch is communicated with the mounting hole; and the mounting shaft is provided in the mounting hole through the connection notch. 
     
     
       7. The pet toilet according to  claim 6 , wherein a thickness of the mounting shaft in a length direction is greater than a thickness of the mounting shaft in a width direction; the thickness of the mounting shaft in the width direction is less than or equal to an opening size of the connection notch; the mounting shaft is configured to enter or detach from the mounting hole through the connection notch in the width direction; the thickness of the mounting shaft in the length direction is greater than the opening size of the connection notch; the mounting shaft is not configured to enter or detach from the mounting hole through the connection notch in the length direction; a diameter of the mounting hole is greater than or equal to the thickness of the mounting shaft in the length direction; and the mounting shaft is rotatable in the mounting hole. 
     
     
       8. The pet toilet according to  claim 6 , wherein the driving force arm is rotatable relative to the housing to switch the pet toilet between a working state and a storage state;
 in the working state, the litter scoop abuts against a bottom of the litter box; and 
 in the storage state, the driving force arm rotates around the housing to be flush with the cover plate. 
 
     
     
       9. A pet toilet, comprising:
 a litter box, configured to hold a pet litter; and 
 a litter scoop driving device, located in the litter box, and configured to drive a litter scoop to move in the litter box to separate a litter clump from the litter box; 
 wherein the litter scoop driving device comprises a housing, a driving force arm, the litter scoop, and a motor unit; a first end of the driving force arm is rotatably connected to the litter scoop, and an opposite second end of the driving force arm is rotatably connected to the housing; the driving force arm comprises two rods, wherein the two rods are relatively telescopic in an axial direction; and through relative telescopic motion of the two rods, an axial length of the driving force arm increases or decreases; and 
 the motor unit comprises a first motor and a third motor; the first motor is located on the housing; an output end of the first motor is connected to the driving force arm to drive the driving force arm to rotate relative to the housing; the third motor is located on the driving force arm; an output end of the third motor is connected to the litter scoop to drive the litter scoop to rotate relative to the driving force arm; under an action of the first motor, the litter scoop is tilted and lifted; when the litter scoop is tilted and lifted, the driving force arm extends, the litter scoop remains in abutting against a bottom of the litter box, and the litter scoop moves from a first end of the litter box to a second end of the litter box; and under an action of the third motor, the litter scoop dumps the litter clump. 
 
     
     
       10. The pet toilet according to  claim 9 , wherein the housing is provided with a mounting slot for mounting the first motor; the mounting slot is communicated with an exterior of the housing; the first motor is located in the mounting slot; the driving force arm is fitted onto the first motor; and an end of the driving force arm is fitted onto the first motor and is rotatable within the mounting slot; and
 the litter scoop driving device further comprises an adapter; the output end of the first motor is fixed to a first end of the adapter in a circumferential direction; the driving force arm is provided with a plurality of fixing holes facing the first motor and arranged in a circumferential direction; and a second end of the adapter is inserted into a fixing hole of the plurality of fixing holes of the driving force arm for fixation. 
 
     
     
       11. The pet toilet according to  claim 9 , wherein the litter scoop driving device further comprises a sleeve; the sleeve is fitted onto the output end of the third motor; the sleeve and the output end of the third motor are fixed in a circumferential direction; and the sleeve is fixedly connected to the litter scoop. 
     
     
       12. The pet toilet according to  claim 9 , wherein the pet toilet comprises a cover plate; each of two opposite sides of the cover plate is provided with a mounting shaft; each of two sides of the litter box is provided with a connection notch and a mounting hole; the connection notch is communicated with the mounting hole; and the mounting shaft is provided in the mounting hole through the connection notch. 
     
     
       13. The pet toilet according to  claim 12 , wherein a thickness of the mounting shaft in a length direction is greater than a thickness of the mounting shaft in a width direction; the thickness of the mounting shaft in the width direction is less than or equal to an opening size of the connection notch; the mounting shaft is configured to enter or detach from the mounting hole through the connection notch in the width direction; the thickness of the mounting shaft in the length direction is greater than the opening size of the connection notch; the mounting shaft is not configured to enter or detach from the mounting hole through the connection notch in the length direction; a diameter of the mounting hole is greater than or equal to the thickness of the mounting shaft in the length direction; and the mounting shaft is rotatable in the mounting hole. 
     
     
       14. The pet toilet according to  claim 12 , wherein the driving force arm is rotatable relative to the housing to switch the pet toilet between a working state and a storage state;
 in the working state, the litter scoop abuts against the bottom of the litter box; and 
 in the storage state, the driving force arm rotates around the housing to be flush with the cover plate. 
 
     
     
       15. A pet toilet, comprising:
 a litter box, configured to hold a pet litter; and 
 a litter scoop driving device, located in the litter box, and configured to drive a litter scoop to move in the litter box to separate a litter clump from the litter box; 
 wherein the litter scoop driving device comprises a housing, a driving force arm, the litter scoop, and a motor unit; a first end of the driving force arm is rotatably connected to the litter scoop, and an opposite second end of the driving force arm is rotatably connected to the housing; the driving force arm comprises two rods, wherein the two rods are axially connected and rotatable to change an angle; and through relative rotation of the two rods, the litter scoop remains continuously in abutting against a bottom of the litter box; and 
 the motor unit comprises a first motor and a third motor; the first motor is located on the housing; an output end of the first motor is connected to the driving force arm to drive the driving force arm to rotate relative to the housing; the third motor is located on the driving force arm; an output end of the third motor is connected to the litter scoop to drive the litter scoop to rotate relative to the driving force arm; under an action of the first motor, the litter scoop is tilted and lifted; when the litter scoop is tilted and lifted, the angle between the two rods changes, the litter scoop remains in abutting against the bottom of the litter box, and the litter scoop moves from a first end of the litter box to a second end of the litter box; and under an action of the third motor, the litter scoop dumps the litter clump. 
 
     
     
       16. The pet toilet according to  claim 15 , wherein the housing is provided with a mounting slot for mounting the first motor; the mounting slot is communicated with an exterior of the housing; the first motor is located in the mounting slot; the driving force arm is fitted onto the first motor; and an end of the driving force arm is fitted onto the first motor and is rotatable within the mounting slot; and
 the litter scoop driving device further comprises an adapter; the output end of the first motor is fixed to a first end of the adapter in a circumferential direction; the driving force arm is provided with a plurality of fixing holes facing the first motor and arranged in a circumferential direction; and a second end of the adapter is inserted into a fixing hole of the plurality of fixing holes of the driving force arm for fixation. 
 
     
     
       17. The pet toilet according to  claim 15 , wherein the litter scoop driving device further comprises a sleeve; the sleeve is fitted onto the output end of the third motor; the sleeve and the output end of the third motor are fixed in a circumferential direction; and the sleeve is fixedly connected to the litter scoop. 
     
     
       18. The pet toilet according to  claim 15 , wherein the pet toilet comprises a cover plate; each of two opposite sides of the cover plate is provided with a mounting shaft; each of two sides of the litter box is provided with a connection notch and a mounting hole; the connection notch is communicated with the mounting hole; and the mounting shaft is provided in the mounting hole through the connection notch. 
     
     
       19. The pet toilet according to  claim 18 , wherein a thickness of the mounting shaft in a length direction is greater than a thickness of the mounting shaft in a width direction; the thickness of the mounting shaft in the width direction is less than or equal to an opening size of the connection notch; the mounting shaft is configured to enter or detach from the mounting hole through the connection notch in the width direction; the thickness of the mounting shaft in the length direction is greater than the opening size of the connection notch; the mounting shaft is not configured to enter or detach from the mounting hole through the connection notch in the length direction; a diameter of the mounting hole is greater than or equal to the thickness of the mounting shaft in the length direction; and the mounting shaft is rotatable in the mounting hole. 
     
     
       20. The pet toilet according to  claim 18 , wherein the driving force arm is rotatable relative to the housing to switch the pet toilet between a working state and a storage state;
 in the working state, the litter scoop abuts against the bottom of the litter box; and 
 in the storage state, the driving force arm rotates around the housing to be flush with the cover plate.